062ce86ff2ae0d0a8b487e2df7c8c4128fd83ce48c666301c0c083af58fc4f36

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
21-05-2024 16:04

Target

2024-05-21_e42b1c425c87db2e06689b7026e2f399_cryptolocker.exe
Size

40KB
MD5

e42b1c425c87db2e06689b7026e2f399
SHA1

8dab52cc25e5b8296036644cc2a9e2fcab395c5d
SHA256

062ce86ff2ae0d0a8b487e2df7c8c4128fd83ce48c666301c0c083af58fc4f36
SHA512

025ac858aab9389924418351588cb1094690e89687877cf380e78e8124555ebbfeb19b3b500aad1651538a63f79fb5796a9d66bfbec4db52364eb4c22a411eac
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLeJAsKuDks:ZzFbxmLPWQMOtEvwDpjLeJAsKc/

Score

9^/10

Detection of CryptoLocker Variants 1 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\misid.exe	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

Processes:

misid.exe

pid process

2180 misid.exe
Loads dropped DLL 1 IoCs

Processes:

2024-05-21_e42b1c425c87db2e06689b7026e2f399_cryptolocker.exe

pid process

1652 2024-05-21_e42b1c425c87db2e06689b7026e2f399_cryptolocker.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2180	misid.exe

pid	process
1652	2024-05-21_e42b1c425c87db2e06689b7026e2f399_cryptolocker.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

2024-05-21_e42b1c425c87db2e06689b7026e2f399_cryptolocker.exe

description	pid	process	target process
PID 1652 wrote to memory of 2180	1652	2024-05-21_e42b1c425c87db2e06689b7026e2f399_cryptolocker.exe	misid.exe
PID 1652 wrote to memory of 2180	1652	2024-05-21_e42b1c425c87db2e06689b7026e2f399_cryptolocker.exe	misid.exe
PID 1652 wrote to memory of 2180	1652	2024-05-21_e42b1c425c87db2e06689b7026e2f399_cryptolocker.exe	misid.exe
PID 1652 wrote to memory of 2180	1652	2024-05-21_e42b1c425c87db2e06689b7026e2f399_cryptolocker.exe	misid.exe

C:\Users\Admin\AppData\Local\Temp\misid.exe
"C:\Users\Admin\AppData\Local\Temp\misid.exe"
2⤵
- Executes dropped EXE
PID:2180

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

C:\Users\Admin\AppData\Local\Temp\misid.exe

Filesize
40KB

MD5
02d0b80b78b742ace6dc4faa9890009d

SHA1
ad297edb92849680de2ab9593e54fa15b9f473ad

SHA256
70d0de2e6831b5c0f8648dd7a64d13316154afd02b492f3c8887e7f8108c9e26

SHA512
21b060307c73e66fb520c8b91d19bf2388a856fc6e5ac562c1445dfb613c755fecd50eb91aed3a88c9283bfcc90656820ec3d3b28e428ea97cb5794dae02aa45

Download Submit
memory/1652-0-0x0000000000230000-0x0000000000233000-memory.dmp

Filesize
12KB

Download
memory/1652-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1652-9-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1652-2-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2180-24-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2180-23-0x0000000000230000-0x00000000002B0000-memory.dmp

Filesize
512KB

Download
memory/2180-16-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/2180-25-0x0000000000230000-0x00000000002B0000-memory.dmp

Filesize
512KB

Download